CN111573452A - Elevator terminal station identification system - Google Patents
Elevator terminal station identification system Download PDFInfo
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- CN111573452A CN111573452A CN202010400474.0A CN202010400474A CN111573452A CN 111573452 A CN111573452 A CN 111573452A CN 202010400474 A CN202010400474 A CN 202010400474A CN 111573452 A CN111573452 A CN 111573452A
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- contact
- length
- state
- position switch
- corresponding landing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
Abstract
The invention discloses an elevator terminal station identification system, when a magnetic circuit between a permanent magnet and a contact is isolated by a magnetism isolating plate, the contact is in a first state; when the magnetic circuit between the permanent magnet and the contact is not interrupted, the contact is in a second state; when the magnetic isolation plate penetrates through a vertical gap between the contact and the permanent magnet, the length of the region, which can isolate the magnetic circuit between the permanent magnet of the floor position switch and the contact, of the end magnetic isolation plate is different from the length of the region, which can isolate the magnetic circuit between the permanent magnet of the floor position switch and the contact, of the standard magnetic isolation plate; when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor; and if the calculated length of the magnetic shield of the corresponding landing is not equal to the length of the standard magnetic shield, determining that the corresponding landing is an end station. The elevator terminal station identification system has low equipment cost and is convenient to install, debug, repair and maintain.
Description
Technical Field
The invention relates to the technical elevator technology, in particular to an elevator terminal station identification system.
Background
When an elevator control system learns the position of a hoistway, an elevator car needs to be controlled to automatically move to an end station position to start learning; in addition, after the hoistway position is learned, when the current position is lost due to some reason (for example, power failure during traveling), it is necessary to control the elevator car to move to the end station position to restore the position information.
Existing elevator control systems typically employ travel switch actuation to confirm the end station position. The travel switch is realized by respectively fixing the switch body and the impact bow to the car and the well, particularly, the cable of the travel switch at the lower end needs to be wired along the whole well, the equipment cost is high, and the time is long because the field installation and the adjustment are inconvenient. In addition, the travel switch is a mechanical switch, so that faults caused by humid severe environment, mechanical abrasion and the like cannot be avoided in the life cycle of the elevator, and regular maintenance, replacement and the like are required.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an elevator terminal station identification system which is low in equipment cost and convenient to install, debug, maintain and repair.
In order to solve the technical problem, the elevator terminal station identification system provided by the invention comprises a floor position switch and a controller;
an end magnetism isolating plate is fixedly arranged on the inner wall of the well at the stopping position of the end station car, and a standard magnetism isolating plate is fixedly arranged on the inner wall of the well at the stopping position of other landing cars;
a floor position switch is fixedly arranged on the lift car;
the floor position switch comprises a contact 12 and a permanent magnet 11 which are relatively fixed;
a vertical gap is formed between the contact 12 and the permanent magnet 11;
when a magnetic circuit between the permanent magnet 11 and the contact 12 is isolated by the magnetic isolation plate 2, the contact is in a first state;
when the magnetic circuit between the permanent magnet and the contact is not interrupted, the contact is in a second state;
when the lift car moves up and down in the hoistway and passes through a landing, the magnetic isolation plate 2 of the landing can penetrate through a vertical gap between the contact 12 and the permanent magnet 11 to isolate a magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch;
when the magnetic isolation plate 2 penetrates through a vertical gap between the contact 12 and the permanent magnet 11, the length of an area, which can isolate the magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch, of the end magnetic isolation plate is different from the length of an area, which can isolate the magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch, of the standard magnetic isolation plate;
when the floor position switch contact 12 is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield 2 of the corresponding landing is not equal to the length of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Preferably, the length of the end magnetism isolating plate is greater than that of a standard magnetism isolating plate;
when the floor position switch contact 12 is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield 2 of the corresponding landing is greater than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Preferably, the length of the end magnetic shield is equal to that of the standard magnetic shield, and a rectangular through hole 20 is formed;
when the end magnetic isolation plate passes through the vertical gap between the contact and the permanent magnet, a magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch can pass through the rectangular through hole 20 of the end magnetic isolation plate;
when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield 2 of the corresponding landing is smaller than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Preferably, when the floor position switch contact 12 is in the first state, the controller calculates the non-partition length according to the duration of the previous contact in the second state and the rotating speed of the elevator car traction machine;
if the calculated non-partition length is equal to the length of the rectangular through hole 20, judging as an end station, and outputting an end station arrival signal; otherwise, judging the terminal station is not.
Preferably, when the floor position switch contact 12 is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate 2 of the corresponding landing is equal to the length of the magnetism isolating plate under the rectangular through hole 20, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Preferably, when the floor position switch contact 12 is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate 2 of the corresponding landing is equal to the length of the magnetism isolating plate on the upper side of the rectangular through hole 20, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Preferably, the length of the end magnetism isolating plate is equal to that of the standard magnetism isolating plate, and a gap 21 is formed at one end;
when the end magnetic isolation plate passes through the vertical gap between the contact and the permanent magnet, a magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch can pass through the gap 21 of the end magnetic isolation plate;
when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield 2 of the corresponding landing is smaller than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Preferably, when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate 2 of the corresponding landing is equal to the length of the end magnetism isolating plate at the gap, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Preferably, the floor position switch is a floor leveling switch or a door zone switch.
Preferably, the floor position switch is fixedly arranged at the top of the car;
the first state is closed, and the second state is open; alternatively, the first and second electrodes may be,
the first state is closed and the second state is open.
According to the elevator end station identification system, the end station (the bottommost station or the topmost station) is fixedly provided with the end magnetism isolating plate at the car stop position, the other car stop positions are fixedly provided with the standard magnetism isolating plates, the magnetism isolating area length of the end magnetism isolating plate is different from the length of the standard magnetism isolating plate, the existing floor position switch is used for identifying the end station, the end station identification switch is saved, the equipment cost is low, the installation, debugging and maintenance are convenient to reduce, the installation and maintenance man-hour is reduced, and the elevator fault rate is reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an elevator terminal identification system of the present invention in which the magnetic circuit between the permanent magnet of the floor position switch and the contact is not interrupted;
FIG. 2 is a schematic diagram of an elevator terminal station identification system according to an embodiment of the present invention, in which a magnetic circuit between a permanent magnet of a floor position switch and a contact is isolated by a magnetic isolation plate;
FIG. 3 is a schematic view of an end magnetic shield of an embodiment of the elevator end station identification system of the present invention formed with rectangular through holes;
fig. 4 is a schematic view of an elevator terminal station identification system according to an embodiment of the present invention, in which a notch is formed at one end of an end magnetism isolating plate.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The elevator terminal station identification system comprises a floor position switch and a controller;
an end magnetism isolating plate is fixedly arranged on the inner wall of a well of a car stop position of an end station (the bottommost landing or the topmost landing), and a standard magnetism isolating plate is fixedly arranged on the inner wall of a well of a car stop position of other landings;
a floor position switch is fixedly arranged on the lift car;
as shown in fig. 1 and 2, the floor position switch includes a relatively fixed contact 12 and a permanent magnet 11;
a vertical gap is formed between the contact 12 and the permanent magnet 11;
when the magnetic circuit between the permanent magnet 11 and the contact 12 is interrupted by the magnetic-isolating plate 2, the contact is in a first state, as shown in fig. 2;
when the magnetic circuit between the permanent magnet and the contact is not interrupted, the contact is in a second state, as shown in fig. 1;
when the lift car moves up and down in the hoistway and passes through a landing, the magnetic isolation plate 2 of the landing can penetrate through a vertical gap between the contact 12 and the permanent magnet 11 to isolate a magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch;
when the magnetic isolation plate 2 penetrates through a vertical gap between the contact 12 and the permanent magnet 11, the length of an area, which can isolate the magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch, of the end magnetic isolation plate is different from the length of an area, which can isolate the magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch, of the standard magnetic isolation plate;
when the floor position switch contact 12 is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield 2 of the corresponding landing is not equal to the length of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
According to the elevator end station identification system, the end station (the bottommost station or the topmost station) is fixedly provided with the end magnetism isolating plate at the car stop position, the other car stop positions are fixedly provided with the standard magnetism isolating plate, the length of the magnetism isolating area of the end magnetism isolating plate is different from that of the standard magnetism isolating plate, the existing floor position switch is used for identifying the end station, the end station identification switch is saved, the equipment cost is low, the installation, debugging and maintenance are convenient to reduce, the installation and maintenance man-hour is reduced, and the elevator fault rate is reduced.
Example two
According to the elevator end station identification system based on the first embodiment, the length of the end magnetism isolating plate is larger than that of the standard magnetism isolating plate;
when the floor position switch contact 12 is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield 2 of the corresponding landing is greater than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
EXAMPLE III
According to the elevator terminal station identification system of the first embodiment, as shown in fig. 3, the length of the terminal magnetic shield plate is equal to that of the standard magnetic shield plate, and a rectangular through hole 20 is formed;
when the end magnetic isolation plate passes through the vertical gap between the contact and the permanent magnet, a magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch can pass through the rectangular through hole 20 of the end magnetic isolation plate;
when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield 2 of the corresponding landing is smaller than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Example four
Based on the elevator terminal station identification system of the third embodiment, when the floor position switch contact 12 is in the first state, the controller calculates the non-partition length according to the duration of the previous contact in the second state and the rotating speed of the elevator car traction machine;
if the calculated non-partition length is equal to the length of the rectangular through hole 20, judging as an end station, and outputting an end station arrival signal; otherwise, judging the terminal station is not.
EXAMPLE five
Based on the elevator terminal station identification system of the third embodiment, when the floor position switch contact 12 is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate 2 of the corresponding landing is equal to the length of the magnetism isolating plate under the rectangular through hole 20, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
EXAMPLE six
Based on the elevator terminal station identification system of the third embodiment, when the floor position switch contact 12 is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate 2 of the corresponding landing is equal to the length of the magnetism isolating plate on the upper side of the rectangular through hole 20, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
EXAMPLE seven
Based on the elevator terminal station identification system of the first embodiment, as shown in fig. 4, the length of the terminal magnetic shield plate is equal to that of the standard magnetic shield plate, and a notch 21 is formed at one end;
when the end magnetic isolation plate passes through the vertical gap between the contact and the permanent magnet, a magnetic circuit between the permanent magnet 11 and the contact 12 of the floor position switch can pass through the gap 21 of the end magnetic isolation plate;
when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield 2 of the corresponding landing is smaller than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Example eight
Based on the elevator terminal station identification system of the seventh embodiment, when the floor position switch contact is in the second state, the controller calculates the length of the magnetic shield 2 of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate 2 of the corresponding landing is equal to the length of the end magnetism isolating plate at the gap, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
Example nine
Based on the elevator terminal station identification system of any one of the first to eighth embodiments, the floor position switch is a leveling switch or a door zone switch.
Preferably, the floor position switch is fixedly arranged at the top of the car.
Preferably, the first state is closed and the second state is open.
Preferably, the first state is closed and the second state is open.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An elevator terminal station identification system is characterized by comprising a floor position switch and a controller;
an end magnetism isolating plate is fixedly arranged on the inner wall of the well at the stopping position of the end station car, and a standard magnetism isolating plate is fixedly arranged on the inner wall of the well at the stopping position of other landing cars;
a floor position switch is fixedly arranged on the lift car;
the floor position switch comprises a contact (12) and a permanent magnet (11) which are relatively fixed;
a vertical gap is reserved between the contact (12) and the permanent magnet (11);
when a magnetic circuit between the permanent magnet (11) and the contact (12) is isolated by the magnetic isolation plate (2), the contact is in a first state;
when the magnetic circuit between the permanent magnet and the contact is not interrupted, the contact is in a second state;
when the lift car moves up and down in the hoistway and passes through a landing, the magnetic isolation plate (2) of the landing can penetrate through a vertical gap between the contact (12) and the permanent magnet (11) to isolate a magnetic circuit between the permanent magnet (11) of the floor position switch and the contact (12);
when the magnetic isolation plate (2) penetrates through a vertical gap between the contact (12) and the permanent magnet (11), the length of an area, which can separate a magnetic circuit between the permanent magnet (11) and the contact (12) of the floor position switch, of the end magnetic isolation plate is different from the length of an area, which can separate a magnetic circuit between the permanent magnet (11) and the contact (12) of the floor position switch, of the standard magnetic isolation plate;
when the floor position switch contact (12) is in the second state, the controller calculates the length of the magnetic isolation plate (2) of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield (2) of the corresponding landing is not equal to the length of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
2. The elevator end station identification system of claim 1,
the length of the end magnetic shield is greater than that of a standard magnetic shield;
when the floor position switch contact (12) is in the second state, the controller calculates the length of the magnetic isolation plate (2) of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield (2) of the corresponding landing is greater than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
3. The elevator end station identification system of claim 1,
the length of the end magnetism isolating plate is equal to that of the standard magnetism isolating plate, and a rectangular through hole (20) is formed;
when the end magnetic isolation plate passes through the vertical gap between the contact and the permanent magnet, a magnetic circuit between the permanent magnet (11) and the contact (12) of the floor position switch can pass through the rectangular through hole (20) of the end magnetic isolation plate;
when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate (2) of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield (2) of the corresponding landing is smaller than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
4. The elevator end station identification system of claim 3,
when the floor position switch contact (12) is in a first state, the controller calculates the non-partition length according to the duration of the previous contact in a second state and the rotating speed of the elevator car tractor;
if the calculated non-partition length is equal to the length of the rectangular through hole (20), judging as an end station, and outputting an end station arrival signal; otherwise, judging the terminal station is not.
5. The elevator end station identification system of claim 3,
when the floor position switch contact (12) is in the second state, the controller calculates the length of the magnetic isolation plate (2) of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate (2) of the corresponding landing is equal to the length of the magnetism isolating plate on the lower side of the rectangular through hole (20), the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
6. The elevator end station identification system of claim 3,
when the floor position switch contact (12) is in the second state, the controller calculates the length of the magnetic isolation plate (2) of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate (2) of the corresponding landing is equal to the length of the magnetism isolating plate on the upper side of the rectangular through hole (20), the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
7. The elevator end station identification system of claim 1,
the length of the end magnetic shield is equal to that of the standard magnetic shield, and a gap (21) is formed at one end of the end magnetic shield;
when the end magnetic isolation plate passes through the vertical gap between the contact and the permanent magnet, a magnetic circuit between the permanent magnet (11) and the contact (12) of the floor position switch can pass through the notch (21) of the end magnetic isolation plate;
when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate (2) of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetic shield (2) of the corresponding landing is smaller than that of the standard magnetic shield, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
8. The elevator end station identification system of claim 7,
when the floor position switch contact is in the second state, the controller calculates the length of the magnetic isolation plate (2) of the corresponding landing according to the duration of the previous contact in the first state and the rotating speed of the elevator car tractor;
if the calculated length of the magnetism isolating plate (2) of the corresponding landing is equal to the length of the end magnetism isolating plate at the notch, the corresponding landing is judged to be an end station, and an end station arrival signal is output; otherwise, judging the terminal station is not.
9. The elevator end station identification system according to any one of claims 1 to 8,
the floor position switch is a flat floor switch or a door area switch.
10. The elevator end station identification system according to any one of claims 1 to 8,
the floor position switch is fixedly arranged at the top of the car;
the first state is closed, and the second state is open; alternatively, the first and second electrodes may be,
the first state is closed and the second state is open.
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|---|---|---|---|
| CN202010400474.0A CN111573452A (en) | 2020-05-13 | 2020-05-13 | Elevator terminal station identification system |
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| CN202010400474.0A CN111573452A (en) | 2020-05-13 | 2020-05-13 | Elevator terminal station identification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112938670A (en) * | 2021-02-26 | 2021-06-11 | 日立电梯(上海)有限公司 | Skip-floor elevator terminal station protection device and debugging method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112938670A (en) * | 2021-02-26 | 2021-06-11 | 日立电梯(上海)有限公司 | Skip-floor elevator terminal station protection device and debugging method thereof |
| CN112938670B (en) * | 2021-02-26 | 2023-03-10 | 日立电梯(上海)有限公司 | Skip-floor elevator terminal station protection device and debugging method thereof |
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Application publication date: 20200825 |
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